Perhaps you should try some spelling variations:
chang ch'un » chang chen, chang chuan, chang hsun
young john » kong john, wong john, young jean
tang tang » taizong tang
bonn mein » bonn ein
bonn iii » bonn die, bonn ein, sinn iii
tan tan » tas tan, tin tan, tanz tanz
hong » long

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hong ((tan tan) or (tang tang)) chang ch'un young john ((bonn iii) or (bonn mein)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hong ((tan tan) OR (tang tang)) chang ch'un young john ((bonn iii) OR (bonn mein)) ;.
• Adding a wildcard symbol may retrieve word variants: hong ((tan tan) or (tang tang)) chang ch'un young john ((bonn iii) or (bonn mein)) ;*.